Knot Pitot Tube Thrust 
AeroSavvy
OCTOBER 26, 2020
Ram air from a pitot tube and static (undisturbed) outside air from a static port, usually a hole on the side of the fuselage. Airspeed indicators need air from a pitot tube and static air from a static port Small general aviation aircraft have airspeed indicators with air hoses connected directly to the pitot and static sources.
Air Facts
MAY 5, 2025
The general prognosis indicated no icing in the clouds, no turbulence and a quartering headwind from the west resulting in a mere five knots of headwind component. Instead of a gentle breeze out of the west, we had over 20 knots of headwind blowing out of the south. Obviously, the winds aloft were nowhere near forecast.
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